2023 RECENT CALIBRATION DATE w calib paperwork ..100% working unfors SOLO meter tests kvp dose time and HVL on general xray and dental and fluoro too , meter comes w ac adapter and user manuals and NEW hard case and cables and user sheets. this kit tests time and kvp and dose and HVL half value layer. 4 parameters. 100% tested , see photos of actually tested on A hospital medical xray machine. with technique = 60kvp .5 seconds 7.5 mAs .. message me with any questions3307871325thanks . this unit cost 9500.00 when it was brand new many years ago NOTE—-alot of these meters that other people sell dont work even though they turn on and show a 0 display, not mine. mine WORK also this has a very recent calibration date too but mine does work, see photos of it actually measuring xray NOTE–for international overseas shipping , message me first about shipping outside the USA i am a professional shipper. i will ship world wide thru ebays global shipping program , if that does not work for you message me. i am a non pet and non smoker per ebay’ s NEW policy, EBAY is now requiring me to add this disclaimer to listings in the healthcare category. Please note— do not worry, it is just a formality. «»The sale of this item may be subject to regulation by the U.S. Food and Drug Administration and state and local regulatory agencies. If so, do bid on this item if you are an authorized purchaser. If the item is subject to FDA regulation, I will verify your status as an authorized purchaser of this item before shipping of the item.»» This disclaimer also requires contact information.Contact Crystal Carradine Erie Pennsylvania 3307871325